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  • Title: Drug reaction with eosinophilia and systemic symptoms in a paediatric population: Interest of skin tests.
    Author: Ben Romdhane H, Fadhel NB, Chadli Z, Chaabane A, Benzarti W, Fredj NB, Aouam K.
    Journal: Contact Dermatitis; 2023 Dec; 89(6):488-495. PubMed ID: 37731315.
    Abstract:
    BACKGROUND: Drug reaction with eosinophilia and systemic symptoms (DRESS) is a severe adverse drug reaction. It is uncommon in the paediatric population and can be difficult to diagnose as its initial symptoms may mimic a viral infection. OBJECTIVE: To analyse the features of paediatric DRESS and to evaluate the interest of skin tests in identifying the causative drugs. METHODS: It is a retrospective analysis (2004-2021) of DRESS cases diagnosed in paediatric patients. The DRESS diagnosis was defined using the RegiSCAR scoring. The skin tests were performed according to the ENDA recommendations. RESULTS: We included 19 cases of DRESS occurred in 18 patients. Common clinical symptoms were exanthema and fever in 94.7% of cases each. The most commonly affected organ was the liver (84.2%). Among the implicated drugs, 16 were tested and skin tests were positive in 75%. To assess cross-reactivity and co-sensitization, skin tests with related and/or co-administered drugs were performed in eight patients. Among them, only one child had positive results. CONCLUSION: Early diagnosis of DRESS and discontinuation of the incriminated drug might reduce the incidence of mortality in the paediatric population. Skin tests could be a safe and useful tool to identify the causative drug and assess cross-reactivity.
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